Gießen 2024 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 72: Poster

HK 72.52: Poster

Donnerstag, 14. März 2024, 17:15–18:45, HBR 14: Foyer

First differential measurement of the femtoscopic source with data taken by ALICE in Run 3 — •Georgios Mantzaridis and Jaime Gonzalez Gonzalez for the ALICE Germany collaboration — TUM, Garching, Germany

Femtoscopy has proven itself as a precise tool to constrain the strong interaction between hadrons in previously inaccessible sectors. When the source of particles in a collision is known, it is possible to probe the interaction potential between two particles. Already during the Run2 datasample, a universal emitting source of hadrons in pp collisions has been identified and benchmarked by studying the correlations of the produced proton-proton (p-p) and proton-lambda (p-Λ) pairs. With this result as a foundation it was possible to probe the strong force between many different exotic pairs of hadrons like p-Ω, p-φ, and many more. With the newly available data from the LHC Run 3 and the upgraded ALICE detector, femtoscopic studies can now be performed with an even greater precision and even more exotic interactions can be experimentally constrained for the first time. In this poster, we present the measurement of the p-p and p-Λ correlation functions as well as the femtoscopy source differentially in mT and multiplicity in pp collisions at 13.6 TeV at the ALICE experiment at the LHC. This will be the starting point for the femtoscopy campaign with ALICE in Run 3.

This project has been funded by the DFG under Germany’s Excellence Strategy - EXC2094 - 390783311 and by BMBF Verbundforschung (05P21WOCA1 ALICE).

Keywords: femtoscopy; pp; 13.6 TeV; ALICE; CERN